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我用下面的代码调用SDL_QUIT()时遇到分段错误:SDL2 SDL_QUIT()分段错误
#include <SDL2/SDL.h>
#include <stdio.h>
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
int init(){
return SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO);
}
void close(){
SDL_Quit();
return;
}
int main(int argc, char *argv[])
{
if(init() < 0){
SDL_Log("Unable to initialize SDL: %s\n", SDL_GetError());
return 1;
}
SDL_Delay(1000);
close();
return 0;
}
这是gdb的输出:
Breakpoint 1, main (argc=1, argv=0x7fffffffe268) at src/main.c:18
warning: Source file is more recent than executable.
18 if(init() < 0){
(gdb) print $eax
$1 = 4196290
(gdb) step
init() at src/main.c:8
8 return SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO);
(gdb) print $eax
$2 = 0
(gdb) step
Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ??()
(gdb)
然而,当我把一切都放在主像这样
int main(int argc, char* argv[])
{
if(SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO) < 0){
SDL_Log("Unable to initialize SDL: %s\n", SDL_GetError());
return 1;
}
SDL_Quit();
return 0;
}
我没有得到分段错误。
你能帮我理解这个问题吗?非常感谢。
在第一个示例中,您只是初始化视频。 – aggsol
@aggsol谢谢您的回答;我做了改变,但没有帮助。 – Itsbananas
段错在哪里?调试器说什么? – Olaf